Belmont HighSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Belmont High.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
SEP
2
First Day of School
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Belmont High.
National Tests
August 7, 2026
SAT — National
Registration deadline
August 11, 2026
SAT — National
Late registration deadline
August 14, 2026
ACT — National
Registration deadline
August 22, 2026
SAT — National
Test date
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
State Assessments
March 23, 2027 – March 24, 2027
MCAS — ELA
Testing window
MA
May 18, 2027 – May 20, 2027
MCAS — Mathematics
Testing window
MA
June 1, 2027 – June 2, 2027
MCAS — Science and Technology/Engineering
Testing window
MA